# ExifTool Version History

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Note: The most recent production release is Version 12.30. (Other versions are considered development releases, and are not uploaded to MetaCPAN.)

Aug. 12, 2021 - Version 12.30 (production release)

- Added read support for Portable FloatMap (PFM) images (this was a bit of a pain because they have the same file extension as Printer Font Metrix files)
- Added a few new Nikon LensID values (thanks LibRaw)
- Added a new Canon LensType
- Added a new Olympus CameraType (thanks LibRaw)
- Added minor warning about unknown data between JPEG segments
- Added a couple of new NikonSettings tags (thanks Warren Hatch)
- Added a new Sony LensType (thanks Jos Roost)
- Decode 'id3 ' chunk in WAV audio files
- Decode timed GPS from concatenated Garmin dashcam videos
- Decode SamsungTrailer information from sefd atom in HEIC images
- Decode more Sony MakerNote tags for the ZV-E10 (thanks Jos Roost)
- Decode DepthMapTiff from JPEG images of more Samsung models
- Decode timed GPS from M2TS videos of yet another type of dashcam
- Extract PreviewImage from Xaiomi MP4 videos
- Changed name of second EmbeddedImage in Samsung trailer to EmbeddedImage2
- Improved Dutch translations for GPS tags (thanks Peter Dubbelman)
- Allow ICC_Profile to be "deleted" from AVIF files (actually, the profile isn't really deleted. Instead, a zero-length profile is written to allow a profile to be added back later since QuickTime item property containers currently can't be created)
- Patched to remove 2 GB size limit when reading Photoshop ImageSourceData

July 9, 2021 - Version 12.29

- Added a few new Nikon and Olympus lenses (thanks LibRaw)
- Improved a QuickTime "File format error" message to be more meaningful, and made it a minor error
- Changed PNG writer to add EXIF before IDAT
- Some changes the way JUMBF metadata is handled
- Patched to read timed GPS from a different type of INSV videos
- Patched a security issue
- Fixed problem where ExifTool could hang when processing mebx timed metadata

June 22, 2021 - Version 12.28

- Added read support for Leica Image File (LIF) images
- Added a new Olympus LensType (thanks LibRaw)
- Decode another Panasonic tag (thanks LibRaw)
- Decode more timed metadata from Sony MP4 videos
- Attempt to shorten tag names for metadata in CZI files
- Allow full QuickTime Keys tag ID's in UserDefined tags (fixes backward incompatibility introduced in 12.02)
- Patched to handle special characters in Torrent tag values

June 9, 2021 - Version 12.27

- Added a new SonyModelID value
- Added two new Nikon LensID values (thanks Daniel)
- Added a new Pentax RawDevelopmentProcess value
- Added a few new Sony LensType values (thanks Jos Roost)
- Added warning if IPTCDigest is not current
- Decode a couple more Pentax tags (thanks LibRaw)
- Decode streaming GPS from Novatek INNOVV MP4 and TS videos
- Improved tag names in config_files/covert_regions.config (thanks StarGeek)
- Changed MIME types for MS Office macro-enabled formats to add the .12
- Patched Canon LensID logic to properly identify the Canon RF 24-105mm F4 L IS USM lens
- Patched decoding of camm6 GPSDateTime to use a flexible epoch because other apps don't seem to use a consistent time zero
- Fixed family 7 group names for QuickTime Keys tags
- Fixed problem reading BeatsPerMinute from some MP4 files
- Fixed hemisphere problem when extracting GPS from 70mai dashcam videos

May 20, 2021 - Version 12.26 (production release)

- Added support for JPEG Stereo (JPS) images
- Added a new Sony LensType (thanks LibRaw)
- Added a new PentaxModelID (thanks LibRaw)
- Changed ExifTool namespace URI to use exiftool.org instead of exiftool.ca in the -X option output (exiftool.ca is still recognized when reading XML)
- Improved handling of large-array warnings in -htmldump output
- Changed handling of escaped characters in #[CSTR] lines of -@ argfile
- Patched security vulnerability in argument of -lang option
- Fixed problem which could cause a "Wide character" warning and generate a corrupted output file when writing some illegal values

Apr. 22, 2021 - Version 12.25

- JPEG XL support is now official
- Added read support for Medical Research Council (MRC) image files
- Added ability to write a number of 3gp tags in video files
- Added a new Sony PictureProfile value (thanks Jos Roost)
- Added a new Sony LensType (thanks LibRaw)
- Added a new Nikon LensID (thanks Niels Kristian Bech Jensen)
- Added a new Canon LensType
- Decode more GPS information from Blackvue dashcam videos
- Decode a couple of new NikonSettings tags (thanks Warren Hatch)
- Decode a few new RIFF tags
- Improved Validate option to add minor warning if standard XMP is missing xpacket wrapper
- Avoid decoding some large arrays in DNG images to improve performance unless the -m option is used
- Patched bug that could give runtime warning when trying to write an empty XMP structure
- Fixed decoding of ImageWidth/Height for JPEG XL images
- Fixed problem were Microsoft Xtra tags couldn't be deleted

Apr. 13, 2021 - Version 12.24

- Added a new PhaseOne RawFormat value (thanks LibRaw)
- Decode a new Sony tag (thanks Jos Roost)
- Decode a few new Panasonic and FujiFilm tags (thanks LibRaw and Greybeard)
- Updated acdsee.config in distribution (thanks StarGeek)
- Recognize AutoCAD DXF files
- More work on experimental JUMBF read support
- More work on experimental JPEG XL read/write support
- Patched security vulnerability in DjVu reader

Apr. 1, 2021 - Version 12.23

- Added support for Olympus ORI files
- Added experimental read/write support for JPEG XL images
- Added experimental read support for JUMBF metadata in JPEG and Jpeg2000 images
- Added built-in support for parsing GPS track from Denver ACG-8050 videos with the -ee option
- Added a some new Sony lenses (thanks Jos Roost and LibRaw)
- Changed priority of Samsung trailer tags so the first DepthMapImage takes precedence when -a is not used
- Improved identification of M4A audio files
- Patched to avoid escaping ',' in "Binary data" message when -struct is used
- Removed Unknown flag from MXF VideoCodingSchemeID tag
- Fixed -forcewrite=EXIF to apply to EXIF in binary header of EPS files
- API Changes:
  - Added BlockExtract option

Mar. 17, 2021 - Version 12.22

- Added a few new Sony LensTypes and a new SonyModelID (thanks Jos Roost and LibRaw)
- Added Extra BaseName tag
- Added a new CanonModelID (thanks LibRaw)
- Decode timed GPS from unlisted programs in M2TS videos with the -ee3 option
- Decode more Sony rtmd tags
- Decode some tags for the Sony ILME-FX3 (thanks Jos Roost)
- Allow negative values to be written to XMP-aux:LensID
- Recognize HEVC video program in M2TS files
- Enhanced -b option so --b suppresses tags with binary data
- Improved flexibility when writing GPS coordinates:
  - Now pulls latitude and longitude from a combined GPSCoordinates string
  - Recognize full word "South" and "West" to write negative coordinates
- Improved warning when trying to write an integer QuickTime date/time tag and Time::Local is not available
- Convert GPSSpeed from mph to km/h in timed GPS from Garmin MP4 videos

Feb. 24, 2021 - Version 12.21

- Added a few new iOS QuickTime tags
- Decode a couple more Sony rtmd tags
- Patch to avoid possible "Use of uninitialized value" warning when attempting to write QuickTime date/time tags with an invalid value
- Fixed problem writing Microsoft Xtra tags
- Fixed Windows daylight savings time patch for file times that was broken in 12.19 (however directory times will not yet handle DST properly)

Feb. 23, 2021 - Version 12.20

- Added ability to write some Microsoft Xtra tags in MOV/MP4 videos
- Added two new Canon LensType values (thanks Norbert Wasser)
- Added a new Nikon LensID
- Fixed problem reading FITS comments that start before column 11

Feb. 18, 2021 - Version 12.19

- Added -list_dir option
- Added the "ls-l" Shortcut tag
- Extract Comment and History from FITS files
- Enhanced FilePermissions to include device type (similar to "ls -l")
- Changed the name of Apple ContentIdentifier tag to MediaGroupUUID (thanks Neal Krawetz)
- Fixed a potential "substr outside of string" runtime error when reading corrupted EXIF
- Fixed edge case where NikonScanIFD may not be copied properly when copying MakerNotes to another file
- API Changes:
  - Added ability to read/write System tags of directories
  - Enhanced GetAllGroups() to support family 7 and take optional ExifTool reference
  - Changed QuickTimeHandler option default to 1

Feb. 9, 2021 - Version 12.18

- Added a new SonyModelID
- Decode a number of Sony tags for the ILCE-1 (thanks Jos Roost)
- Decode a couple of new Canon tags (thanks LibRaw)
- Patched to read differently formatted UserData:Keywords as written by iPhone
- Patched to tolerate out-of-order Nikon MakerNote IFD entries when obtaining tags necessary for decryption
- Fixed a few possible Condition warnings for some NikonSettings tags

Feb. 3, 2021 - Version 12.17

- Added a new Canon FocusMode value
- Added a new FujiFilm FilmMode value
- Added a number of new XMP-crs tags (thanks Herb)
- Decode a new H264 MDPM tag
- Allow non-conforming lower-case XMP boolean "true" and "false" values to be written, but only when print conversion is disabled
- Improved Validate option to warn about non-capitalized boolean XMP values
- Improved logic for setting GPSLatitude/LongitudeRef values when writing
- Changed -json and -php options so the -a option is implied even without the -g option
- Avoid extracting audio/video data from AVI videos when -ee -u is used
- Patched decoding of Canon ContinuousShootingSpeed for newer firmware versions of the EOS-1DXmkIII
- Re-worked LensID patch of version 12.00 (github issue #51)
- Fixed a few typos in newly-added NikonSettings tags (thanks Herb)
- Fixed problem where group could not be specified for PNG-pHYs tags when writing

Jan. 21, 2021 - Version 12.16 (production release)

- Extract another form of video subtitle text
- Enhanced -ee option with -ee2 and -ee3 to allow parsing of the H264 video stream in MP4 files
- Changed a Nikon FlashMode value
- Fixed problem that caused a failed DPX test on Strawberry Perl
- API Changes:
  - Enhanced ExtractEmbedded option

Jan. 18, 2021 - Version 12.15 (production release)

- Added a couple of new Sony LensType values (thanks LibRaw and Jos Roost)
- Added a new Nikon FlashMode value (thanks Mike)
- Decode NikonSettings (thanks Warren Hatch)
- Decode thermal information from DJI RJPEG images
- Fixed extra newline in -echo3 and -echo4 outputs added in version 12.10
- Fixed out-of-memory problem when writing some very large PNG files under Windows

Jan. 6, 2021 - Version 12.14

- Added support for 2 more types of timed GPS in video files (that makes 49 different formats now supported)
- Added validity check for PDF trailer dictionary Size
- Added a new Pentax LensType
- Extract metadata from Jpeg2000 Association box
- Changed -g:XX:YY and -G:XX:YY options to show empty strings for non-existent groups
- Patched to issue warning and avoid writing date/time values with a zero month or day number
- Patched to avoid runtime warnings if trying to set FileName to an empty string
- Fixed issue that could cause GPS test number 12 to fail on some systems
- Fixed problem extracting XML as a block from Jpeg2000 images, and extract XML tags in the XML group instead of XMP

Dec. 24, 2020 - Version 12.13

- Added -i HIDDEN option to ignore files with names that start with "."
- Added a few new Nikon ShutterMode values (thanks Jan Škoda)
- Added ability to write Google GCamera MicroVideo XMP tags
- Add time zone automatically to most string-based QuickTime date/time tags when writing unless the PrintConv option is disabled
- Decode a new Sony tag (thanks LibRaw)
- Changed behaviour when writing only pseudo tags to return an error and avoid writing any other tags if writing FileName fails
- Print "X image files read" message even if only 1 file is read when at least one other file has failed the -if condition

Dec. 4, 2020 - Version 12.12

- Added ability to geotag from DJI CSV log files
- Added a new CanonModelID
- Added a couple of new Sony LensType values (thanks LibRaw)
- Enhanced -csvDelim option to allow "\t", "\n", "\r" and "\\"
- Unescape "\b" and "\f" in imported JSON values
- Fixed bug introduced in 12.10 which generated a "Not an integer" warning when attempting to shift some QuickTime date/time tags
- Fixed shared-write permission problem with -@ argfile when using -stay_open and a filename containing special characters on Windows

Nov. 27, 2020 - Version 12.11

- Added -csvDelim option
- Added new Canon and Olympus LensType values (thanks LibRaw)
- Added a warning if ICC_Profile is deleted from an image (github issue #63)
- EndDir() function for -if option now works when -fileOrder is used
- Changed FileSize conversion to use binary prefixes since that is how the conversion is currently done (eg. MiB instead of MB)
- Patched -csv option so columns aren't resorted when using -G option and one of the tags is missing from a file
- Fixed incompatiblity with Google Photos when writing UserData:GPSCoordinates to MP4 videos
- Fixed problem where the tags available in a -p format string were limited to the same as the -if[NUM] option when NUM was specified
- Fixed incorrect decoding of SourceFileIndex/SourceDirectoryIndex for Ricoh models

Nov. 12, 2020 - Version 12.10

- Added -validate test for proper TIFF magic number in JPEG EXIF header
- Added support for Nikon Z7 LensData version 0801
- Added a new XMP-GPano tag
- Decode ColorData for the Canon EOS 1DXmkIII (thanks LibRaw)
- Decode more tags for the Sony ILCE-7SM3 (thanks Jos Roost)
- Automatically apply QuickTimeUTC option for CR3 files
- Improved decoding of XAttrMDLabel from MacOS files
- Ignore time zones when writing date/time values and using the -d option
- Enhanced -echo3 and -echo4 options to allow exit status to be returned
- Changed -execute so the -q option no longer suppresses the "{ready}" message when a synchronization number is used (eg. -execute123)

Oct. 29, 2020 - Version 12.09

- Added ability to copy CanonMakerNotes from CR3 images to other file types
- Added read support for ON1 presets file (.ONP)
- Added two new CanonModelID values
- Added trailing "/" when writing QuickTime:GPSCoordinates
- Added a number of new XMP-crs tags
- Added a new Sony LensType (thanks Jos Roost)
- Added a new Nikon Z lens (thanks LibRaw)
- Added a new Canon LensType
- Decode ColorData for Canon EOS R5/R6
- Decode a couple of new HEIF tags
- Decode FirmwareVersion for Canon M50
- Improved decoding of Sony CreativeStyle tags (thanks Jos Roost)
- Improved parsing of Radiance files to recognize comments
- Renamed GIF AspectRatio tag to PixelAspectRatio
- Patched EndDir() feature so subdirectories are always processed when -r is used (previously, EndDir() would end processing of a directory completely)
- Yet another tweak to the EventTime formatting rules (also allow time-only values with fractional seconds and a time zone)
- Avoid loading GoPro module unnecessarily when reading MP4 videos from some other cameras
- Fixed problem with an incorrect naming of CodecID tags in some MKV videos
- Fixed verbose output to avoid "adding" messages for existing flattened XMP tags

Oct. 15, 2020 - Version 12.08

- Added read support for MacOS "._" sidecar files
- Added a new Sony LensType (thanks Jos Roost)
- Recognize Mac OS X xattr files
- Extract ThumbnailImage from MP4 videos of more dashcam models
- Improved decoding of a number of Sony tags (thanks Jos Roost)
- Fixed problem where the special -if EndDir() function didn't work properly for directories after the one in which it was initially called
- Patched to read DLL files which don't have a .rsrc section (thanks Hank)
- Patched to support new IGC date format when geotagging
- Patched to read DLL files with an invalid size in the header

Oct. 2, 2020 - Version 12.07

- Added support for GoPro .360 videos
- Added some new Canon RF and Nikkor Z lenses (thanks LibRaw)
- Added some new Sony LensType and CreativeStyle values and decode some ILCE-7C tags (thanks Jos Roost)
- Added a number of new Olympus SceneMode values (thanks Herb)
- Added a new Nikon LensID
- Decode more timed metadata from Insta360 videos (thanks Thomas Allen)
- Decode timed GPS from videos of more Garmin dashcam models
- Decode a new GoPro video tag
- Reformat time-only EventTime values when writing and prevent arbitrary strings from being written
- Patched to accept backslashes in SourceFile entries for -csv option

Sept. 11, 2020 - Version 12.06

- Added read support for Lyrics3 metadata (and fixed problem where APE metadata may be ignored if Lyrics3 exists)
- Added a new Panasonic VideoBurstMode value (thanks Klaus Homeister)
- Added a new Olympus MultipleExposureMode value
- Added a new Nikon LensID
- Added back conversions for XMP-dwc EventTime that were removed in 12.04 with a patch to allow time-only values
- Decode GIF AspectRatio
- Decode Olympus FocusBracketStepSize (thanks Karsten)
- Extract PNG iDOT chunk in Binary format with the name AppleDataOffsets
- Process PNG images which do not start with mandatory IHDR chunk

Aug. 24, 2020 - Version 12.05

- Added a new Panasonic SelfTimer value (thanks Herb)
- Decode a few more DPX tags (thanks Harry Mallon)
- Extract AIFF APPL tag as ApplicationData
- Fixed bug writing QuickTime ItemList 'gnre' Genre values
- Fixed an incorrect value for Panasonic VideoBurstResolution (thanks Herb)
- Fixed problem when applying a time shift to some invalid makernote date/time values

Aug. 10, 2020 - Version 12.04

- Added read support for Zeiss ZISRAW CZI files
- Added some new values for a couple of Olympus tags (thanks Sebastian)
- Decode a number of new tags for the Sony ILCE-7SM3 (thanks Jos Roost)
- Removed formatting restrictions on XMP-dwc:EventTime to allow a time-only value to be written
- Moved new QuckTime ItemList tags added in version 12.02 to the proper group (they were incorrectly added to the Keys group)
- Improved QuickTime -v3 output to show default language codes
- Patched -lang option to work for the values of somet tags with coded translations
- Patched the format of a number of QuickTime tags when writing for improved compatibility with iTunes and AtomicParsley
- Patched to write a default QuickTime language code of 0x0000 (null) instead of 0x55c4 ('und')

July 29, 2020 - Version 12.03

- Added family 7 group names to allow tag ID's to be specified when reading and writing
- Fixed a couple of typos in tag values (thanks Herb)
- API Changes:
  - Added HexTagIDs option
  - Enhanced GetNewValue() to allow family 7 groups names to be used
- Internal Changes:
  - Changed Composite tag ID's to use "-" instead of "::" as a separator

July 27, 2020 - Version 12.02

- Added support for a number of new QuickTime ItemList tags
- Added support for writing XMP-xmp:RatingPercent
- Added a new Sony LensType (thanks Jos Roost and LibRaw)
- Added a new Pentax LensType (thanks James O'Neill)
- Decode barcodes from Ricoh APP5 RMETA segment
- Decode a few new QuickTime tags written by Ricoh and Garmin cameras
- Decode timed GPS from Sony A7R IV MP4 videos
- Decode timed GPS from 70mai dashcam videos
- Decode a few new Panasonic tags (thanks Klaus Homeister)
- Decode altitude and more accurate latitude/longitude from Transcend Driver Pro 230 MP4 videos
- Improved decoding of some Canon EOS 1DXmkIII custom functions
- Allow integer QuickTime TrackNumber and DiskNumber values
- Relax validity check of QuickTime:ContentCreateDate when writing with -n
- Removed "Com" from the start of some unknown QuickTime ItemList tag names
- Patched CanonCustom decoding for bug in Canon EOS-1DX firmware
- Changed QuickTime CleanAperture tags decode as signed rationals

June 24, 2020 - Version 12.01

- Added a new NEFCompression value (thanks Warren Hatch)
- Added a new Sony LensType (thanks Jos Roost)
- Decode timed GPS from Rove Stealth 4K dashcam videos
- Fixed bug which would corrupt TIFF images with 16-bit image data offsets when writing (these are very rare)

June 11, 2020 - Version 12.00 (production release)

- Added two new Olympus LensTypes (thanks Don Komarechka for one)
- Added two new Sony LensType values (thanks Jos Roost)
- Added a few new Nikon LensID's (thanks Mathieu Carbou)
- Added support for the Sony ZV-1 (thanks Jos Roost)
- Added a new CanonModelID (thanks Jos Roost)
- Added missing MimeType values for HEICS and HEIFS files
- Added definitions for a number of new XMP-crs tags
- Recognize WOFF and WOFF2 font files
- Decode streaming GPS from Roadhawk, EEEkit and 360Fly MP4 videos
- Decode a number of new tags for the Nikon D6 (thanks Warren Hatch)
- Decode a couple more AF tags for the D500/D850
- Decode a number of new Panasonic tags
- Improved Composite LensID logic (thanks Matt Stancliff)
- Enhanced -v option to state when a directory has 0 entries
- Removed a couple of incorrect Validate warnings for bilevel TIFF images
- Drop ContrastCurve tag when copying from NEF to JPEG
- Changed -csv output to add "Unknown" group name to column headings for missing tags when -f and -G options are used
- Patched to support new XMP LensID format for Nikon cameras as written by Apple Photos (thanks Mattsta)
- Fixed problem extracting metadata from Sigma DP2 Quattro X3F files
- Fixed End() and EndDir() functions so they work when writing and when the -v option is used
- Fixed problem recognizing some PGM files
- Fixed bug in offsets for some Photoshop information in -v3 output
- Fixed problem writing a list containing empty elements inside an XMP structure
- API Changes:
  - Added NoMultiExif option
  - Changed FilterW option to not write tag if $_ is set to undef

History of older versions (back to 1.00) -->

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